Conference Call Monday, June 23, to Discuss U.S. Geothermal's 2007 Annual Results

U.S. Geothermal Inc. (TSX: GTH)(AMEX: HTM) will host a telephone conference call for investors and analysts on Monday, June 23 at 4:30 p.m. EDT (2:30 p.m. MDT) to discuss fiscal year end 2007 annual results, which were released today.

The conference call may be accessed by dialing 866-585-6398 in Canada and the United States, or 416-849-9626 internationally. A simultaneous webcast of the conference call will be provided through www.investorcalendar.com/IC/CEPage.asp?ID=131283.

U.S. Geothermal Inc., a renewable energy company focused on the production of electricity from geothermal energy, owns and operates geothermal power plants at Raft River, Idaho and San Emidio, Nevada, is drilling a production well at Neal Hot Springs in eastern Oregon and is conducting regional exploration with a joint venture partner near Gerlach, Nevada.

Please visit our Website at: www.usgeothermal.com.